CN106769076A - A kind of system for the detection of transport vehicle axle load - Google Patents
A kind of system for the detection of transport vehicle axle load Download PDFInfo
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- CN106769076A CN106769076A CN201510814338.5A CN201510814338A CN106769076A CN 106769076 A CN106769076 A CN 106769076A CN 201510814338 A CN201510814338 A CN 201510814338A CN 106769076 A CN106769076 A CN 106769076A
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- chip microcomputer
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- transport vehicle
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Abstract
The present invention proposes a kind of system for the detection of transport vehicle axle load, including infrared ray sensor, single-chip microcomputer, instrument board, GPS, infrared ray sensor is fixedly installed on transport vehicle front-rear axle leaf spring, and infrared ray sensor is connected with single-chip microcomputer input mouthful, and single-chip microcomputer output mouthful is connected with instrument board；GPS is connected with single-chip microcomputer input mouthful, and CAN communication module is also integrated with single-chip microcomputer, single-chip microcomputer is connected with vehicle-mounted ECU by CAN communication module.System can be accurately measured operation vehicle axle load, result is included on instrument board with vehicle floor map formal intuition after calculating conversion, enable a driver to have a clear understanding of axle load distribution condition, and accordingly send prompting, adjust elimination overloading in time so as to driver, prevent part from being damaged caused by overweight, it is ensured that vehicle safety runs.System architecture is simple, easy for installation, is not restricted by site condition, can be installed and used on different type vehicle, highly versatile, low cost.
Description
Technical field
The present invention relates to automobile axle load field of measuring technique, more particularly to a kind of system for being detected to transport vehicle axle load distribution condition.
Background technology
At present, can all occur vehicle axle load distribution uneven phenomenon when most commercial transport car loads goods.The distribution of vehicle axle load is uneven, easily certain part of axle is set to bear excessive load, can not only influence be produced on the service life of axle, and the hydraulic performance decline of vehicle can be made, aggravate the abrasion of tire, the excessively curved characteristic and control stability of vehicle are reduced, the safety traffic to vehicle brings great hidden danger.
For problem above, existing detection means is that loading vehicles are tested by weighing unit or some stands and equipment：Vehicle antero posterior axis quality, complete vehicle quality after measurement loading, real-time speed, vehicle brake parameterses etc., judge whether vehicle overloads and whether axle load distribution is uneven finally by measured value.These detection methods can only mostly do static measurement, it is difficult to the axle load change in vehicle travel process be measured, it is impossible to accurately measure and reflect the load value actually born on every axle of vehicle, and waste time and energy, testing cost is higher.
The content of the invention
To improve the accuracy of operation vehicle axle load measurement, it is to avoid the potential safety hazard caused by axle load distribution inequality, the present invention proposes a kind of system for being detected to transport vehicle axle load distribution condition.
Therefore, the technical scheme is that：A kind of system for the detection of transport vehicle axle load, it is characterised in that：The system includes infrared ray sensor, single-chip microcomputer, instrument board, GPS, infrared ray sensor is fixedly installed on transport vehicle front-rear axle leaf spring, infrared ray sensor is connected by data signal wire with single-chip microcomputer input mouthful, single-chip microcomputer output mouthful is connected with instrument board, single-chip microcomputer is converted into data scatterplot by carrying out treatment to the front-rear axle leaf spring deformation quantity information for receiving, and with vehicle commander as X-axis, overall width sets up coordinate diagram for Y-axis, the data scatterplot is distributed in reference axis, contrasted in combination with each axle rated load of default transport vehicle, comparing result is reflected in different colors on the point of the correspondence front-rear axle left and right sides in vehicle floor map, and shown by instrument board, change according to correspondence front-rear axle left and right sides point color judges each axle load amount of transport vehicle；The GPS is connected by data signal wire with single-chip microcomputer input mouthful, and CAN communication module is also integrated with single-chip microcomputer, single-chip microcomputer is connected with vehicle-mounted ECU by CAN communication module when using.
Operation principle：
When system works, the stress deformation amount of loading vehicles front-rear axle leaf spring is sent to single-chip microcomputer by infrared ray sensor, single-chip microcomputer is converted into quality by the deflection that calculation procedure will be detected, and treatment is converted into a series of data scatterplot, simultaneously with full car length as X-axis, vehicle width set up coordinate diagram for Y-axis, data scatterplot is distributed in reference axis.With reference to vehicle planar structure, measurement result is reflected on the point of the front-rear axle left and right sides in vehicle floor map, and be displayed on instrument board：If the numerical value for calculating is excessive more than the rated load or left and right two ends difference of vehicle bridge, then corresponding point can become red in vehicle floor map on instrument board, now single-chip microcomputer sends " front/rear bridge is overweight; please drive with caution " text prompt by control strategy to instrument board, reminds driver to note；If the numerical value for calculating is normal, all greens of point on instrument board in vehicle floor map.During overload of vehicle, if driver does not take corresponding off-load measure in time, make vehicle bridge keep axle load to distribute in uneven state, then single-chip microcomputer is read out by CAN passages to vehicle current operating conditions, and in the case of non-high-speed road conditions speed is too high, single-chip microcomputer is limited engine torque and rotating speed by vehicle-mounted ECU is judged to vehicle traveling road conditions with reference to GPS, engine speed reduction is set to realize vehicle reduction of speed, it is ensured that the security of vehicle.
Beneficial effect：
Axle load detecting system of the present invention can be accurately measured the axle load of each bogie axle under travel condition of vehicle, and included on instrument board result with the formal intuition of vehicle floor map after calculating conversion, enable a driver to have a clear understanding of the axle load distribution condition of each axle, control test result accordingly sends prompting simultaneously, adjust elimination overloading in time so as to driver, prevent vehicle critical component from being damaged caused by overweight for a long time, it is ensured that vehicle safety runs.The system architecture is simple, easy for installation, is not restricted by site condition, can be installed and used on different type vehicle, highly versatile, low cost.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the vehicle floor map in the present invention；
In figure marked as：1st, vehicle to be measured；2nd, infrared ray sensor；3、GPS；4th, single-chip microcomputer；5th, data signal wire；6th, instrument board；7th, vehicle-mounted ECU；8th, vehicle chassis to be measured；9th, propons left end measurement point；10th, propons right-hand member measurement point；11st, back axle left end measurement point；12nd, back axle right-hand member measurement point.
Specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in figure 1, a kind of system for the detection of transport vehicle axle load, the system includes infrared ray sensor 2, single-chip microcomputer 4, instrument board 6 and GPS3, when using：First infrared ray sensor 2 is fixedly mounted on the front-rear axle leaf spring of vehicle to be measured 1（The left and right sides is respectively mounted）, then infrared ray sensor 2 is connected by data signal wire with the input port of single-chip microcomputer 4, then the output port of single-chip microcomputer 4 is connected with instrument board 6；Single-chip microcomputer is converted into data scatterplot by carrying out treatment to the front-rear axle leaf spring deformation quantity information for receiving when using, and with vehicle commander as X-axis, overall width set up coordinate diagram for Y-axis, the data scatterplot is distributed in reference axis, contrasted in combination with each axle rated load of default transport vehicle, by comparing result being reflected on the point of the correspondence front-rear axle left and right sides in vehicle floor map in different colors, and shown by instrument board, driver judges each axle load amount of transport vehicle according to the change of correspondence front-rear axle left and right sides point color；The GPS3 is connected by data signal wire 5 with the input port of single-chip microcomputer 4 simultaneously, CAN communication module is also integrated with the single-chip microcomputer 4, single-chip microcomputer 4 is connected with vehicle-mounted ECU 7 by CAN communication module when using.
As shown in Figure 1 and Figure 2, when the system works, the stress deformation amount of the front-rear axle leaf spring of vehicle to be measured 1 that infrared ray sensor 2 will be sensed is sent to single-chip microcomputer 4, single-chip microcomputer 4 is converted into quality by the deflection that calculation procedure will be detected, and treatment is converted into a series of data scatterplot, simultaneously with full car length as X-axis, vehicle width set up coordinate diagram for Y-axis, data scatterplot is distributed in reference axis.With reference to vehicle planar structure, measurement result is reflected on the point of the front-rear axle left and right sides in vehicle floor map, and be displayed on instrument board：If the numerical value for calculating is excessive more than the rated load or left and right two ends difference of vehicle bridge, the propons left end measurement point 9 of then vehicle floor map on instrument board --- vehicle chassis to be measured 8, propons right-hand member measurement point 10, back axle left end measurement point 11 and corresponding point can become red in back axle right-hand member measurement point 12, now single-chip microcomputer 4 sends " front/rear bridge is overweight; please drive with caution " text prompt by control strategy to instrument board 6, reminds driver to note；If the numerical value for calculating is normal, the propons left end measurement point 9 of vehicle floor map on instrument board --- vehicle chassis to be measured 8, propons right-hand member measurement point 10, back axle left end measurement point 11 and the corresponding all greens of point in back axle right-hand member measurement point 12.When overload of vehicle, if driver does not take corresponding off-load measure in time, make vehicle bridge keep axle load to distribute in uneven state, then single-chip microcomputer is treated the current running status of measuring car and is read out by CAN communication module channels, and judged with reference to the traveling road conditions that GPS treats measuring car, in the case of non-high-speed road conditions speed is too high, single-chip microcomputer is limited engine torque and rotating speed by vehicle-mounted ECU, engine speed reduction is set to realize vehicle reduction of speed, it is ensured that the security of vehicle.
Axle load detecting system of the present invention can be accurately measured the axle load of each bogie axle under travel condition of vehicle, and included on instrument board result with the formal intuition of vehicle floor map after calculating conversion, enable a driver to have a clear understanding of the axle load distribution condition of each axle, control test result accordingly sends prompting simultaneously, adjust elimination overloading in time so as to driver, prevent vehicle critical component from being damaged caused by overweight for a long time, it is ensured that vehicle safety runs.The system architecture is simple, easy for installation, is not restricted by site condition, can be installed and used on different type vehicle, highly versatile, low cost.
Claims (1)
1. it is a kind of for transport vehicle axle load detection system, it is characterised in that：The system includes infrared ray sensor, single-chip microcomputer, instrument board, GPS, infrared ray sensor is fixedly installed on transport vehicle front-rear axle leaf spring, infrared ray sensor is connected by data signal wire with single-chip microcomputer input mouthful, single-chip microcomputer output mouthful is connected with instrument board, single-chip microcomputer is converted into data scatterplot by carrying out treatment to the transport vehicle front-rear axle leaf spring deformation quantity information for receiving, and with vehicle commander as X-axis, overall width sets up coordinate diagram for Y-axis, the data scatterplot is distributed in reference axis, contrasted in combination with each axle rated load of default transport vehicle, comparing result is reflected in different colors on the point of the correspondence front-rear axle left and right sides in vehicle floor map, and shown by instrument board, change according to correspondence front-rear axle left and right sides point color judges each axle load amount of transport vehicle；The GPS is connected by data signal wire with single-chip microcomputer input mouthful, and CAN communication module is also integrated with single-chip microcomputer, single-chip microcomputer is connected with vehicle-mounted ECU by CAN communication module when using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814338.5A CN106769076A (en) | 2015-11-23 | 2015-11-23 | A kind of system for the detection of transport vehicle axle load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814338.5A CN106769076A (en) | 2015-11-23 | 2015-11-23 | A kind of system for the detection of transport vehicle axle load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106769076A true CN106769076A (en) | 2017-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510814338.5A Pending CN106769076A (en) | 2015-11-23 | 2015-11-23 | A kind of system for the detection of transport vehicle axle load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106769076A (en) |
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2015
- 2015-11-23 CN CN201510814338.5A patent/CN106769076A/en active Pending
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |